NOW Foods Niacinamida (Vitamina B-3) 500 mg, 100 Cápsulas Vegetales

What is vitamin B3 (niacin)?

Vitamin B3, also known as niacin, is a water-soluble vitamin essential for the proper functioning of the body. Within the niacin family, we find two main forms: nicotinic acid (common niacin) and nicotinamide (niacinamide). Niacinamide, which is the form present in this NOW Foods supplement, is different because it does not cause the characteristic redness or 'flush' often associated with high doses of niacin. This makes it an excellent option for those seeking the benefits of vitamin B3 without the vasodilating side effects.

Each vegetable capsule provides 500 mg of pure niacinamide, a high dose that can be useful to meet specific needs. Vitamin B3 is a nutrient that participates in more than 200 enzymatic reactions, especially those related to obtaining energy from food. In addition, it is fundamental for the synthesis of NAD+ and NADH, key cofactors in cellular energy production.

Benefits backed by the EFSA

The European Food Safety Authority (EFSA) has approved several health claims for niacin (vitamin B3). Below, we present the most relevant ones, all of which are applicable to niacinamide as an active form of this vitamin:

• Energy metabolism: Niacin contributes to normal energy metabolism. This means that it helps convert carbohydrates, fats, and proteins into usable energy for cells.
• Nervous system: Niacin contributes to the normal functioning of the nervous system. An adequate intake of vitamin B3 is necessary to maintain communication between neurons and brain health.
• Psychological function: Niacin contributes to normal psychological function. This includes processes such as memory, concentration, and mood.
• Skin and mucous membranes: Niacin contributes to the maintenance of normal skin and mucous membranes. For this reason, it is often used in dermatological care.
• Reduction of tiredness and fatigue: Niacin contributes to the reduction of tiredness and fatigue. A deficit of this vitamin can manifest as physical and mental exhaustion.

All these statements are based on scientific evidence and are the only ones authorized within the European Union. It is important to remember that supplements should not be used as a substitute for a varied and balanced diet.

Forms of niacin: niacin vs. niacinamide

It is common to find vitamin B3 supplements on the market under two names: niacin (nicotinic acid) and niacinamide (nicotinamide). Although both are forms of the same vitamin, they have significant differences that should be known before choosing.

Niacin (nicotinic acid) is known to cause a flushing effect on the skin, especially when high doses are taken (from 50 mg). This is because it stimulates the release of prostaglandins, producing a sensation of warmth and redness. Although harmless, it can be uncomfortable for many people.

Niacinamide, on the other hand, does not produce flushing. It is metabolized differently and is equally effective for most biological functions. In fact, niacinamide is the preferred form for dermatological applications (such as the treatment of acne or hyperpigmentation) and for those who wish to avoid redness.

Both forms are converted in the body to NAD+ and NADH, but niacinamide does not require the same metabolic pathway as niacin, so it does not trigger vasodilation. For general supplementation uses, niacinamide is a more comfortable and versatile option.

Recommended dosage

The recommended daily dose of niacin for adults is approximately 16 mg niacin equivalents (NE) per day for men and 14 mg for women. However, in the context of supplementation, much higher doses are used to obtain specific effects. This product offers 500 mg per capsule, a high dose that may be appropriate under professional supervision.

It is important not to exceed the maximum tolerable dose established by health authorities. In Europe, the upper limit for safe niacin consumption is 35 mg per day for niacin with flush, but for niacinamide, the limits are higher due to its safety profile. However, it is recommended to consult a doctor or dietitian before exceeding 500 mg daily, especially if other medications are being taken or if there are pre-existing health conditions.

Each bottle contains 100 vegan capsules, which provides a supply for several months if one capsule is taken daily. For more specific use, some professionals may recommend divided doses. The method of administration is simple: take one capsule with water, preferably with a meal to facilitate absorption.

Possible side effects

Niacinamide is generally well tolerated and, unlike niacin, does not produce the bothersome flush. However, very high doses (above 1 gram daily) can cause adverse effects such as gastrointestinal discomfort, nausea, headache, or, in rare cases, liver toxicity. Therefore, it is essential to respect the recommended doses and not self-medicate with excessive amounts.

Furthermore, niacinamide can interact with certain medications, such as antidiabetics, antiepileptics, or anticoagulants. If you are undergoing drug treatment, consult your doctor before starting supplementation. As with any supplement, it is advisable to store the product in a cool, dry place, out of reach of children.

Who should take niacin supplements?

Niacinamide supplements can be beneficial for various people. Those who follow restrictive diets (vegan, strict vegetarian, or with low consumption of niacin-rich foods) may have a higher risk of deficiency. Food sources of vitamin B3 include chicken, tuna, chickpeas, salmon, and peanuts. However, cooking and processing can reduce its content.

People who experience chronic fatigue, mental stress, or concentration problems may also benefit, as niacin plays a key role in energy production and cognitive function. Likewise, those who seek to maintain healthy skin or treat conditions such as acne may find niacinamide an effective ally.

In any case, before starting supplementation, it is advisable to perform a blood test to determine vitamin B3 levels and rule out deficiencies. Supplements should not be considered a substitute for a balanced diet but a complement when necessary.

NOW Foods, with over 50 years of experience in supplement manufacturing, guarantees the quality of this product through Kosher, Non-GMO, Vegan, and soy-free certifications. Each batch undergoes rigorous stability and potency testing in accredited ISO/IEC laboratories. Choose NOW Foods niacinamide and enjoy all the benefits of vitamin B3 without the discomfort of the flush.